Home / 65,630.34-98,457.66-21,252.60

Finding the Fourth Proportional to 65,630.34, 98,457.66 and 21,252.60

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Solution

The fourth proportional to 65,630.34, 98,457.66 and 21,252.60 is: 31,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.34 : 98,457.66 = 21,252.60 : x
  2. Step 2: Convert to fraction form
    65,630.34/98,457.66 = 21,252.60/x
  3. Step 3: Cross multiply
    65,630.34x = 98,457.66 × 21,252.60
  4. Step 4: Simplify right side
    65,630.34x = 2,092,481,264.92
  5. Step 5: Solve for x
    x = 2,092,481,264.92/65,630.34
  6. Step 6: Final answer
    x = 31,882.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.